OFFSET
1,1
COMMENTS
a(n) mod 3 > 0: a(n) = 90 - A001651(n-1).
FORMULA
a(n) = floor((180 - 3*n)/2) + 1.
EXAMPLE
a(58) = #{(58,58,64),(58,59,63),(58,60,62),(58,61,61)} = 4;
a(59) = #{(59,59,62),(59,60,61)} = 2;
a(60) = #{(60,60,60)} = 1, the last term.
CROSSREFS
KEYWORD
nonn,fini,full
AUTHOR
Reinhard Zumkeller, Aug 06 2004
STATUS
approved